APA aipamena

Lehmann, D. R. (2005). Product management. Tata McGraw Hill.

Chicago Style aipamena

Lehmann, Donald R. Product Management. New Delhi: Tata McGraw Hill, 2005.

MLA aipamena

Lehmann, Donald R. Product Management. Tata McGraw Hill, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.